Hey folks. My boss brought me his PC today. its a HP Pavilion Slimline s5610y PC. It one of those little computers. When the power button is pushed nothing happens,. I opened it up and checked the button and its good. Also twice after it was unplugged for a few minutes I plugged it back and the little green light on the back was lit. I pressed the power button and heard a very faint click. The light when off. The fan did about one rotation. And that was it. Just a bad PSU?
Is this a Bad PSU?
- Thread starter mojin7
- Start date
Solution
christop
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- Sep 30, 2008
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06yfz450ridr
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- Nov 28, 2012
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it is deff the psu. i would enter the model # of that psu into ebay or amazon etc for a better deal than hp themselves.
Diablosg
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- Jun 14, 2012
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You might want to test that psu on another pc cause u dont want to get another if that still works.
If it is not the psu thats the problem then you need to test the ram and the cpu.(the single spin of cpu fan is common when cpu does not work. e.g heat sink is not properly place on cpu or when a ram chip is faulty.)
confuciused
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- Jun 1, 2012
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No! don't plug in into another PC, if it has no protection circuit it could do damage. First step is unplug and remove the PSU from the computer. Now with it plugged into the wall, find the green wire on the main atx plug, that's the big one with either 20 or 24 pins. There should be only 1 green wire. With a paper clip or something similar connect the green pin to one of the black pins, any black pin will do. The PSU fan should spin up, if not, it's a dead PSU.
confuciused
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- Jun 1, 2012
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Alright, then it's probably not the psu... If you have access to a multimeter, test the psu outputs while the jumper (paper clip) is in. If they are ok, or you don't have one, leave the jumper in and switch off the psu (or pull the plug from the wall if there's no switch). Now connect the HDD and power it up. If it still runs fine, shut it down and try the next HDD and repeat. then the graphics card, 4 or 8 pin cpu power plug, etc. See if you can narrow it down. At this stage it is probably safe to try the PSU in another PC as well.
Thanks for your help. I probably have the 1% of PSUs that pass the paperclip test and are bad. I tore apart one of our computers here at works and plugged the whole shabang in with the psu hanging outside. It booted and loaded window perfectly and ran for 10 minutes. Im satisfied that the PSU is bad. Thanks again.
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